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Finding the Fourth Proportional to 252,852.32, 348,906.48 and 139,668.32

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Solution

The fourth proportional to 252,852.32, 348,906.48 and 139,668.32 is: 192,725.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,852.32 : 348,906.48 = 139,668.32 : x
  2. Step 2: Convert to fraction form
    252,852.32/348,906.48 = 139,668.32/x
  3. Step 3: Cross multiply
    252,852.32x = 348,906.48 × 139,668.32
  4. Step 4: Simplify right side
    252,852.32x = 48,731,181,898.71
  5. Step 5: Solve for x
    x = 48,731,181,898.71/252,852.32
  6. Step 6: Final answer
    x = 192,725.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.